The roaches mate, the ootheca is inside the female when she mates. She only sticks out the ootheca once or twice to turn it (it must be fertilized for her to do this). If she never mates each unfertilized ootheca is aborted and usually eaten because forming ootheca takes nutrition which is why all female roaches need more nutrients than males. I've even seen hissers eat meat or poultry readily.I cannot see the picture but I have an idea what is happening. I have a question. When I turn over the many egg crates I see female Lobster Roaches have an ootheca sticking out or more like a clump of eggs. Is this just airing it? Or does the male fertilize the eggs while the female takes them out? Do Lobster Roaches mate like normal roaches (example: Parcoblatta)?